CFD-V17 - Sony Audio Service Manual (repair manual). Page 6

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CFD-V17
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— 16 —
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(KSM-880DAA)
RF  AMP
2-4. SCHEMATIC DIAGRAM     MAIN SECTION   
  • Refer to page 7 for Printed Wiring Board.
  
 • Refer to page 22 for IC Block Diagrams.
 • Waveforms
2
 
IC701 
qh
 RFO
3
 
IC702 
yj
 XTAO
0.2V/div
0.5
µ
sec/div
2V/div
50
µ
sec/div
5 Vp-p
1.0 Vp-p
16.9 MHz
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
¢
: internal component.
U
: B+ Line.
H
: adjustment for repair.
• Power voltage is dc 3V and fed with regulated dc power
supply from external power voltage jack (J301) .
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
[
] : FM
<
> : PB
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Signal path.
F
: FM
f
: AM
E
: PB
a
: REC
J
: CD
The components identified by
mark 
!
 or dotted line with mark
!
 are critical for safety.
Replace only with part number
specified.
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
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